id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc,browser,external_id,os,state 424,"IE9 beta:use addEventListener to monitor ""contextmenu"" event will lost mouseEvent information",yangte,yangte,"In IE9 beta, I use these codes to monitor the ""contextmenu"" event , and I find that the type of e is [Object, Event] instead of [Object,mouseEvent], can someone tell me it is a defect of ie9 beta. button.addEventListener(""contextmenu"", function (e) {, debugger; alert(e.clientX); }, true); the debugger tells me that e.clientX is Undefined. I think it's a defect of IE9 beta, and I have already submit this defect to the IE9 develope team. I suggest a workaround to add this line of code: e=window.event?window.event:e; to the map.js ",defect,closed,P3,Future,MapGuide,2.2 - RC1,Minor,fixed,"IE9, contextmenu",,Other,,Windows,New